Home / 52,415.91-72,331.65-28,541.16

Finding the Fourth Proportional to 52,415.91, 72,331.65 and 28,541.16

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Solution

The fourth proportional to 52,415.91, 72,331.65 and 28,541.16 is: 39,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.91 : 72,331.65 = 28,541.16 : x
  2. Step 2: Convert to fraction form
    52,415.91/72,331.65 = 28,541.16/x
  3. Step 3: Cross multiply
    52,415.91x = 72,331.65 × 28,541.16
  4. Step 4: Simplify right side
    52,415.91x = 2,064,429,195.71
  5. Step 5: Solve for x
    x = 2,064,429,195.71/52,415.91
  6. Step 6: Final answer
    x = 39,385.55

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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.