Home / 53,863.08-74,331.18-29,988.60

Finding the Fourth Proportional to 53,863.08, 74,331.18 and 29,988.60

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Solution

The fourth proportional to 53,863.08, 74,331.18 and 29,988.60 is: 41,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,863.08 : 74,331.18 = 29,988.60 : x
  2. Step 2: Convert to fraction form
    53,863.08/74,331.18 = 29,988.60/x
  3. Step 3: Cross multiply
    53,863.08x = 74,331.18 × 29,988.60
  4. Step 4: Simplify right side
    53,863.08x = 2,229,088,024.55
  5. Step 5: Solve for x
    x = 2,229,088,024.55/53,863.08
  6. Step 6: Final answer
    x = 41,384.34

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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.