Home / 52,010.24-78,018.85-18,272.16

Finding the Fourth Proportional to 52,010.24, 78,018.85 and 18,272.16

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Solution

The fourth proportional to 52,010.24, 78,018.85 and 18,272.16 is: 27,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,010.24 : 78,018.85 = 18,272.16 : x
  2. Step 2: Convert to fraction form
    52,010.24/78,018.85 = 18,272.16/x
  3. Step 3: Cross multiply
    52,010.24x = 78,018.85 × 18,272.16
  4. Step 4: Simplify right side
    52,010.24x = 1,425,572,565.80
  5. Step 5: Solve for x
    x = 1,425,572,565.80/52,010.24
  6. Step 6: Final answer
    x = 27,409.46

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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.