Home / 43,124.40-64,663.08-15,036.90

Finding the Fourth Proportional to 43,124.40, 64,663.08 and 15,036.90

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Solution

The fourth proportional to 43,124.40, 64,663.08 and 15,036.90 is: 22,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.40 : 64,663.08 = 15,036.90 : x
  2. Step 2: Convert to fraction form
    43,124.40/64,663.08 = 15,036.90/x
  3. Step 3: Cross multiply
    43,124.40x = 64,663.08 × 15,036.90
  4. Step 4: Simplify right side
    43,124.40x = 972,332,267.65
  5. Step 5: Solve for x
    x = 972,332,267.65/43,124.40
  6. Step 6: Final answer
    x = 22,547.15

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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.