Home / 39,631.66-59,430.20-14,990.38

Finding the Fourth Proportional to 39,631.66, 59,430.20 and 14,990.38

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Solution

The fourth proportional to 39,631.66, 59,430.20 and 14,990.38 is: 22,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.66 : 59,430.20 = 14,990.38 : x
  2. Step 2: Convert to fraction form
    39,631.66/59,430.20 = 14,990.38/x
  3. Step 3: Cross multiply
    39,631.66x = 59,430.20 × 14,990.38
  4. Step 4: Simplify right side
    39,631.66x = 890,880,909.37
  5. Step 5: Solve for x
    x = 890,880,909.37/39,631.66
  6. Step 6: Final answer
    x = 22,479.02

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1.5x scale

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.