Home / 40,424,254.10-60,639,005.55-21,292,378.10

Finding the Fourth Proportional to 40,424,254.10, 60,639,005.55 and 21,292,378.10

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Solution

The fourth proportional to 40,424,254.10, 60,639,005.55 and 21,292,378.10 is: 31,939,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424,254.10 : 60,639,005.55 = 21,292,378.10 : x
  2. Step 2: Convert to fraction form
    40,424,254.10/60,639,005.55 = 21,292,378.10/x
  3. Step 3: Cross multiply
    40,424,254.10x = 60,639,005.55 × 21,292,378.10
  4. Step 4: Simplify right side
    40,424,254.10x = 1,291,148,633,778,598.50
  5. Step 5: Solve for x
    x = 1,291,148,633,778,598.50/40,424,254.10
  6. Step 6: Final answer
    x = 31,939,949.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.