Home / 56,931.74-85,449.70-28,871.17

Finding the Fourth Proportional to 56,931.74, 85,449.70 and 28,871.17

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Solution

The fourth proportional to 56,931.74, 85,449.70 and 28,871.17 is: 43,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.74 : 85,449.70 = 28,871.17 : x
  2. Step 2: Convert to fraction form
    56,931.74/85,449.70 = 28,871.17/x
  3. Step 3: Cross multiply
    56,931.74x = 85,449.70 × 28,871.17
  4. Step 4: Simplify right side
    56,931.74x = 2,467,032,637.61
  5. Step 5: Solve for x
    x = 2,467,032,637.61/56,931.74
  6. Step 6: Final answer
    x = 43,333.16

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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.