Home / 60,240.28-90,415.48-30,678.52

Finding the Fourth Proportional to 60,240.28, 90,415.48 and 30,678.52

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Solution

The fourth proportional to 60,240.28, 90,415.48 and 30,678.52 is: 46,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,240.28 : 90,415.48 = 30,678.52 : x
  2. Step 2: Convert to fraction form
    60,240.28/90,415.48 = 30,678.52/x
  3. Step 3: Cross multiply
    60,240.28x = 90,415.48 × 30,678.52
  4. Step 4: Simplify right side
    60,240.28x = 2,773,813,111.49
  5. Step 5: Solve for x
    x = 2,773,813,111.49/60,240.28
  6. Step 6: Final answer
    x = 46,045.82

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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.