Home / 52,719.20-72,750.32-31,510.16

Finding the Fourth Proportional to 52,719.20, 72,750.32 and 31,510.16

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Solution

The fourth proportional to 52,719.20, 72,750.32 and 31,510.16 is: 43,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.20 : 72,750.32 = 31,510.16 : x
  2. Step 2: Convert to fraction form
    52,719.20/72,750.32 = 31,510.16/x
  3. Step 3: Cross multiply
    52,719.20x = 72,750.32 × 31,510.16
  4. Step 4: Simplify right side
    52,719.20x = 2,292,374,223.25
  5. Step 5: Solve for x
    x = 2,292,374,223.25/52,719.20
  6. Step 6: Final answer
    x = 43,482.72

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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.