Home / 53,389.85-73,680.87-29,518.74

Finding the Fourth Proportional to 53,389.85, 73,680.87 and 29,518.74

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Solution

The fourth proportional to 53,389.85, 73,680.87 and 29,518.74 is: 40,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389.85 : 73,680.87 = 29,518.74 : x
  2. Step 2: Convert to fraction form
    53,389.85/73,680.87 = 29,518.74/x
  3. Step 3: Cross multiply
    53,389.85x = 73,680.87 × 29,518.74
  4. Step 4: Simplify right side
    53,389.85x = 2,174,966,444.50
  5. Step 5: Solve for x
    x = 2,174,966,444.50/53,389.85
  6. Step 6: Final answer
    x = 40,737.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.