Home / 38,314.20-52,873.85-21,319.16

Finding the Fourth Proportional to 38,314.20, 52,873.85 and 21,319.16

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Solution

The fourth proportional to 38,314.20, 52,873.85 and 21,319.16 is: 29,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.20 : 52,873.85 = 21,319.16 : x
  2. Step 2: Convert to fraction form
    38,314.20/52,873.85 = 21,319.16/x
  3. Step 3: Cross multiply
    38,314.20x = 52,873.85 × 21,319.16
  4. Step 4: Simplify right side
    38,314.20x = 1,127,225,856.89
  5. Step 5: Solve for x
    x = 1,127,225,856.89/38,314.20
  6. Step 6: Final answer
    x = 29,420.58

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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.