Home / 42,472.07-63,699.60-40,364.45

Finding the Fourth Proportional to 42,472.07, 63,699.60 and 40,364.45

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Solution

The fourth proportional to 42,472.07, 63,699.60 and 40,364.45 is: 60,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,472.07 : 63,699.60 = 40,364.45 : x
  2. Step 2: Convert to fraction form
    42,472.07/63,699.60 = 40,364.45/x
  3. Step 3: Cross multiply
    42,472.07x = 63,699.60 × 40,364.45
  4. Step 4: Simplify right side
    42,472.07x = 2,571,199,319.22
  5. Step 5: Solve for x
    x = 2,571,199,319.22/42,472.07
  6. Step 6: Final answer
    x = 60,538.59

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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.