Home / 42,153.76-63,154.50-26,351.27

Finding the Fourth Proportional to 42,153.76, 63,154.50 and 26,351.27

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Solution

The fourth proportional to 42,153.76, 63,154.50 and 26,351.27 is: 39,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,153.76 : 63,154.50 = 26,351.27 : x
  2. Step 2: Convert to fraction form
    42,153.76/63,154.50 = 26,351.27/x
  3. Step 3: Cross multiply
    42,153.76x = 63,154.50 × 26,351.27
  4. Step 4: Simplify right side
    42,153.76x = 1,664,201,281.22
  5. Step 5: Solve for x
    x = 1,664,201,281.22/42,153.76
  6. Step 6: Final answer
    x = 39,479.31

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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.