Home / 55,898.40-77,135.58-30,749.52

Finding the Fourth Proportional to 55,898.40, 77,135.58 and 30,749.52

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Solution

The fourth proportional to 55,898.40, 77,135.58 and 30,749.52 is: 42,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,898.40 : 77,135.58 = 30,749.52 : x
  2. Step 2: Convert to fraction form
    55,898.40/77,135.58 = 30,749.52/x
  3. Step 3: Cross multiply
    55,898.40x = 77,135.58 × 30,749.52
  4. Step 4: Simplify right side
    55,898.40x = 2,371,882,059.92
  5. Step 5: Solve for x
    x = 2,371,882,059.92/55,898.40
  6. Step 6: Final answer
    x = 42,432.02

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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.