Home / 51,775.29-77,697.50-28,418.13

Finding the Fourth Proportional to 51,775.29, 77,697.50 and 28,418.13

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Solution

The fourth proportional to 51,775.29, 77,697.50 and 28,418.13 is: 42,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,775.29 : 77,697.50 = 28,418.13 : x
  2. Step 2: Convert to fraction form
    51,775.29/77,697.50 = 28,418.13/x
  3. Step 3: Cross multiply
    51,775.29x = 77,697.50 × 28,418.13
  4. Step 4: Simplify right side
    51,775.29x = 2,208,017,513.58
  5. Step 5: Solve for x
    x = 2,208,017,513.58/51,775.29
  6. Step 6: Final answer
    x = 42,646.16

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1.5x scale

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.