Home / 45,742.16-63,123.72-28,988.88

Finding the Fourth Proportional to 45,742.16, 63,123.72 and 28,988.88

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Solution

The fourth proportional to 45,742.16, 63,123.72 and 28,988.88 is: 40,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.16 : 63,123.72 = 28,988.88 : x
  2. Step 2: Convert to fraction form
    45,742.16/63,123.72 = 28,988.88/x
  3. Step 3: Cross multiply
    45,742.16x = 63,123.72 × 28,988.88
  4. Step 4: Simplify right side
    45,742.16x = 1,829,885,944.23
  5. Step 5: Solve for x
    x = 1,829,885,944.23/45,742.16
  6. Step 6: Final answer
    x = 40,004.36

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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.