Home / 52,018.04-78,030.30-20,849.24

Finding the Fourth Proportional to 52,018.04, 78,030.30 and 20,849.24

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Solution

The fourth proportional to 52,018.04, 78,030.30 and 20,849.24 is: 31,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018.04 : 78,030.30 = 20,849.24 : x
  2. Step 2: Convert to fraction form
    52,018.04/78,030.30 = 20,849.24/x
  3. Step 3: Cross multiply
    52,018.04x = 78,030.30 × 20,849.24
  4. Step 4: Simplify right side
    52,018.04x = 1,626,872,451.97
  5. Step 5: Solve for x
    x = 1,626,872,451.97/52,018.04
  6. Step 6: Final answer
    x = 31,275.16

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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.