Home / 43,298.40-64,947.60-42,002.40

Finding the Fourth Proportional to 43,298.40, 64,947.60 and 42,002.40

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Solution

The fourth proportional to 43,298.40, 64,947.60 and 42,002.40 is: 63,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,298.40 : 64,947.60 = 42,002.40 : x
  2. Step 2: Convert to fraction form
    43,298.40/64,947.60 = 42,002.40/x
  3. Step 3: Cross multiply
    43,298.40x = 64,947.60 × 42,002.40
  4. Step 4: Simplify right side
    43,298.40x = 2,727,955,074.24
  5. Step 5: Solve for x
    x = 2,727,955,074.24/43,298.40
  6. Step 6: Final answer
    x = 63,003.60

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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.