Home / 64,761.24-97,158.06-20,386.20

Finding the Fourth Proportional to 64,761.24, 97,158.06 and 20,386.20

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Solution

The fourth proportional to 64,761.24, 97,158.06 and 20,386.20 is: 30,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,761.24 : 97,158.06 = 20,386.20 : x
  2. Step 2: Convert to fraction form
    64,761.24/97,158.06 = 20,386.20/x
  3. Step 3: Cross multiply
    64,761.24x = 97,158.06 × 20,386.20
  4. Step 4: Simplify right side
    64,761.24x = 1,980,683,642.77
  5. Step 5: Solve for x
    x = 1,980,683,642.77/64,761.24
  6. Step 6: Final answer
    x = 30,584.40

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1.5x scale

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.