Home / 31,539,153.70-47,234,080.95-21,386,808.10

Finding the Fourth Proportional to 31,539,153.70, 47,234,080.95 and 21,386,808.10

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Solution

The fourth proportional to 31,539,153.70, 47,234,080.95 and 21,386,808.10 is: 32,029,592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,153.70 : 47,234,080.95 = 21,386,808.10 : x
  2. Step 2: Convert to fraction form
    31,539,153.70/47,234,080.95 = 21,386,808.10/x
  3. Step 3: Cross multiply
    31,539,153.70x = 47,234,080.95 × 21,386,808.10
  4. Step 4: Simplify right side
    31,539,153.70x = 1,010,186,225,057,515.88
  5. Step 5: Solve for x
    x = 1,010,186,225,057,515.88/31,539,153.70
  6. Step 6: Final answer
    x = 32,029,592.00

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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.