Home / 56,285.12-77,639.60-37,165.06

Finding the Fourth Proportional to 56,285.12, 77,639.60 and 37,165.06

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Solution

The fourth proportional to 56,285.12, 77,639.60 and 37,165.06 is: 51,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,285.12 : 77,639.60 = 37,165.06 : x
  2. Step 2: Convert to fraction form
    56,285.12/77,639.60 = 37,165.06/x
  3. Step 3: Cross multiply
    56,285.12x = 77,639.60 × 37,165.06
  4. Step 4: Simplify right side
    56,285.12x = 2,885,480,392.38
  5. Step 5: Solve for x
    x = 2,885,480,392.38/56,285.12
  6. Step 6: Final answer
    x = 51,265.42

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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.