Home / 55,893.28-77,103-42,442.24

Finding the Fourth Proportional to 55,893.28, 77,103 and 42,442.24

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Solution

The fourth proportional to 55,893.28, 77,103 and 42,442.24 is: 58,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,893.28 : 77,103 = 42,442.24 : x
  2. Step 2: Convert to fraction form
    55,893.28/77,103 = 42,442.24/x
  3. Step 3: Cross multiply
    55,893.28x = 77,103 × 42,442.24
  4. Step 4: Simplify right side
    55,893.28x = 3,272,424,030.72
  5. Step 5: Solve for x
    x = 3,272,424,030.72/55,893.28
  6. Step 6: Final answer
    x = 58,547.72

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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.