Home / 60,477.06-90,737.79-21,045.45

Finding the Fourth Proportional to 60,477.06, 90,737.79 and 21,045.45

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Solution

The fourth proportional to 60,477.06, 90,737.79 and 21,045.45 is: 31,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.06 : 90,737.79 = 21,045.45 : x
  2. Step 2: Convert to fraction form
    60,477.06/90,737.79 = 21,045.45/x
  3. Step 3: Cross multiply
    60,477.06x = 90,737.79 × 21,045.45
  4. Step 4: Simplify right side
    60,477.06x = 1,909,617,883.90
  5. Step 5: Solve for x
    x = 1,909,617,883.90/60,477.06
  6. Step 6: Final answer
    x = 31,575.90

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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.