Home / 74,027.65-111,001.45-38,400.65

Finding the Fourth Proportional to 74,027.65, 111,001.45 and 38,400.65

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Solution

The fourth proportional to 74,027.65, 111,001.45 and 38,400.65 is: 57,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,027.65 : 111,001.45 = 38,400.65 : x
  2. Step 2: Convert to fraction form
    74,027.65/111,001.45 = 38,400.65/x
  3. Step 3: Cross multiply
    74,027.65x = 111,001.45 × 38,400.65
  4. Step 4: Simplify right side
    74,027.65x = 4,262,527,830.94
  5. Step 5: Solve for x
    x = 4,262,527,830.94/74,027.65
  6. Step 6: Final answer
    x = 57,580.21

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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.