Home / 65,398.19-98,155.61-30,357.59

Finding the Fourth Proportional to 65,398.19, 98,155.61 and 30,357.59

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Solution

The fourth proportional to 65,398.19, 98,155.61 and 30,357.59 is: 45,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,398.19 : 98,155.61 = 30,357.59 : x
  2. Step 2: Convert to fraction form
    65,398.19/98,155.61 = 30,357.59/x
  3. Step 3: Cross multiply
    65,398.19x = 98,155.61 × 30,357.59
  4. Step 4: Simplify right side
    65,398.19x = 2,979,767,612.79
  5. Step 5: Solve for x
    x = 2,979,767,612.79/65,398.19
  6. Step 6: Final answer
    x = 45,563.46

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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.