Home / 65,348.78-97,899.93-38,615.06

Finding the Fourth Proportional to 65,348.78, 97,899.93 and 38,615.06

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Solution

The fourth proportional to 65,348.78, 97,899.93 and 38,615.06 is: 57,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,348.78 : 97,899.93 = 38,615.06 : x
  2. Step 2: Convert to fraction form
    65,348.78/97,899.93 = 38,615.06/x
  3. Step 3: Cross multiply
    65,348.78x = 97,899.93 × 38,615.06
  4. Step 4: Simplify right side
    65,348.78x = 3,780,411,670.95
  5. Step 5: Solve for x
    x = 3,780,411,670.95/65,348.78
  6. Step 6: Final answer
    x = 57,849.77

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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.