Home / 64,830.80-97,237.56-18,079.76

Finding the Fourth Proportional to 64,830.80, 97,237.56 and 18,079.76

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Solution

The fourth proportional to 64,830.80, 97,237.56 and 18,079.76 is: 27,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.80 : 97,237.56 = 18,079.76 : x
  2. Step 2: Convert to fraction form
    64,830.80/97,237.56 = 18,079.76/x
  3. Step 3: Cross multiply
    64,830.80x = 97,237.56 × 18,079.76
  4. Step 4: Simplify right side
    64,830.80x = 1,758,031,747.79
  5. Step 5: Solve for x
    x = 1,758,031,747.79/64,830.80
  6. Step 6: Final answer
    x = 27,117.23

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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.