Home / 40,011.63-60,020.51-11,929.55

Finding the Fourth Proportional to 40,011.63, 60,020.51 and 11,929.55

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Solution

The fourth proportional to 40,011.63, 60,020.51 and 11,929.55 is: 17,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011.63 : 60,020.51 = 11,929.55 : x
  2. Step 2: Convert to fraction form
    40,011.63/60,020.51 = 11,929.55/x
  3. Step 3: Cross multiply
    40,011.63x = 60,020.51 × 11,929.55
  4. Step 4: Simplify right side
    40,011.63x = 716,017,315.32
  5. Step 5: Solve for x
    x = 716,017,315.32/40,011.63
  6. Step 6: Final answer
    x = 17,895.23

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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.