Home / 38,970.65-58,461.15-12,666.53

Finding the Fourth Proportional to 38,970.65, 58,461.15 and 12,666.53

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Solution

The fourth proportional to 38,970.65, 58,461.15 and 12,666.53 is: 19,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,970.65 : 58,461.15 = 12,666.53 : x
  2. Step 2: Convert to fraction form
    38,970.65/58,461.15 = 12,666.53/x
  3. Step 3: Cross multiply
    38,970.65x = 58,461.15 × 12,666.53
  4. Step 4: Simplify right side
    38,970.65x = 740,499,910.31
  5. Step 5: Solve for x
    x = 740,499,910.31/38,970.65
  6. Step 6: Final answer
    x = 19,001.48

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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.