Home / 52,004.90-78,007.35-31,009.70

Finding the Fourth Proportional to 52,004.90, 78,007.35 and 31,009.70

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Solution

The fourth proportional to 52,004.90, 78,007.35 and 31,009.70 is: 46,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,004.90 : 78,007.35 = 31,009.70 : x
  2. Step 2: Convert to fraction form
    52,004.90/78,007.35 = 31,009.70/x
  3. Step 3: Cross multiply
    52,004.90x = 78,007.35 × 31,009.70
  4. Step 4: Simplify right side
    52,004.90x = 2,418,984,521.30
  5. Step 5: Solve for x
    x = 2,418,984,521.30/52,004.90
  6. Step 6: Final answer
    x = 46,514.55

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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.