Home / 52,386.03-72,292.66-28,512.65

Finding the Fourth Proportional to 52,386.03, 72,292.66 and 28,512.65

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Solution

The fourth proportional to 52,386.03, 72,292.66 and 28,512.65 is: 39,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,386.03 : 72,292.66 = 28,512.65 : x
  2. Step 2: Convert to fraction form
    52,386.03/72,292.66 = 28,512.65/x
  3. Step 3: Cross multiply
    52,386.03x = 72,292.66 × 28,512.65
  4. Step 4: Simplify right side
    52,386.03x = 2,061,255,312.15
  5. Step 5: Solve for x
    x = 2,061,255,312.15/52,386.03
  6. Step 6: Final answer
    x = 39,347.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.