Home / 32,718.32-49,088.45-13,990.40

Finding the Fourth Proportional to 32,718.32, 49,088.45 and 13,990.40

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Solution

The fourth proportional to 32,718.32, 49,088.45 and 13,990.40 is: 20,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,718.32 : 49,088.45 = 13,990.40 : x
  2. Step 2: Convert to fraction form
    32,718.32/49,088.45 = 13,990.40/x
  3. Step 3: Cross multiply
    32,718.32x = 49,088.45 × 13,990.40
  4. Step 4: Simplify right side
    32,718.32x = 686,766,840.41
  5. Step 5: Solve for x
    x = 686,766,840.41/32,718.32
  6. Step 6: Final answer
    x = 20,990.29

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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.