Home / 39,663.10-54,737.60-26,210.75

Finding the Fourth Proportional to 39,663.10, 54,737.60 and 26,210.75

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Solution

The fourth proportional to 39,663.10, 54,737.60 and 26,210.75 is: 36,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.10 : 54,737.60 = 26,210.75 : x
  2. Step 2: Convert to fraction form
    39,663.10/54,737.60 = 26,210.75/x
  3. Step 3: Cross multiply
    39,663.10x = 54,737.60 × 26,210.75
  4. Step 4: Simplify right side
    39,663.10x = 1,434,713,549.20
  5. Step 5: Solve for x
    x = 1,434,713,549.20/39,663.10
  6. Step 6: Final answer
    x = 36,172.50

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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.