Home / 51,437.60-70,984.40-30,217.20

Finding the Fourth Proportional to 51,437.60, 70,984.40 and 30,217.20

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Solution

The fourth proportional to 51,437.60, 70,984.40 and 30,217.20 is: 41,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.60 : 70,984.40 = 30,217.20 : x
  2. Step 2: Convert to fraction form
    51,437.60/70,984.40 = 30,217.20/x
  3. Step 3: Cross multiply
    51,437.60x = 70,984.40 × 30,217.20
  4. Step 4: Simplify right side
    51,437.60x = 2,144,949,811.68
  5. Step 5: Solve for x
    x = 2,144,949,811.68/51,437.60
  6. Step 6: Final answer
    x = 41,700.04

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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.