Home / 55,626.85-76,746.17-31,424.28

Finding the Fourth Proportional to 55,626.85, 76,746.17 and 31,424.28

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Solution

The fourth proportional to 55,626.85, 76,746.17 and 31,424.28 is: 43,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.85 : 76,746.17 = 31,424.28 : x
  2. Step 2: Convert to fraction form
    55,626.85/76,746.17 = 31,424.28/x
  3. Step 3: Cross multiply
    55,626.85x = 76,746.17 × 31,424.28
  4. Step 4: Simplify right side
    55,626.85x = 2,411,693,135.01
  5. Step 5: Solve for x
    x = 2,411,693,135.01/55,626.85
  6. Step 6: Final answer
    x = 43,354.84

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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.