Home / 39,912.72-59,870.88-14,946.32

Finding the Fourth Proportional to 39,912.72, 59,870.88 and 14,946.32

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Solution

The fourth proportional to 39,912.72, 59,870.88 and 14,946.32 is: 22,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.72 : 59,870.88 = 14,946.32 : x
  2. Step 2: Convert to fraction form
    39,912.72/59,870.88 = 14,946.32/x
  3. Step 3: Cross multiply
    39,912.72x = 59,870.88 × 14,946.32
  4. Step 4: Simplify right side
    39,912.72x = 894,849,331.16
  5. Step 5: Solve for x
    x = 894,849,331.16/39,912.72
  6. Step 6: Final answer
    x = 22,420.15

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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.