Home / 56,012.48-77,299.08-30,862.52

Finding the Fourth Proportional to 56,012.48, 77,299.08 and 30,862.52

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Solution

The fourth proportional to 56,012.48, 77,299.08 and 30,862.52 is: 42,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012.48 : 77,299.08 = 30,862.52 : x
  2. Step 2: Convert to fraction form
    56,012.48/77,299.08 = 30,862.52/x
  3. Step 3: Cross multiply
    56,012.48x = 77,299.08 × 30,862.52
  4. Step 4: Simplify right side
    56,012.48x = 2,385,644,402.48
  5. Step 5: Solve for x
    x = 2,385,644,402.48/56,012.48
  6. Step 6: Final answer
    x = 42,591.30

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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.