Home / 56,265.63-77,646.77-30,772.50

Finding the Fourth Proportional to 56,265.63, 77,646.77 and 30,772.50

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Solution

The fourth proportional to 56,265.63, 77,646.77 and 30,772.50 is: 42,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,265.63 : 77,646.77 = 30,772.50 : x
  2. Step 2: Convert to fraction form
    56,265.63/77,646.77 = 30,772.50/x
  3. Step 3: Cross multiply
    56,265.63x = 77,646.77 × 30,772.50
  4. Step 4: Simplify right side
    56,265.63x = 2,389,385,229.83
  5. Step 5: Solve for x
    x = 2,389,385,229.83/56,265.63
  6. Step 6: Final answer
    x = 42,466.16

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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.