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Finding the Fourth Proportional to 45,307.80, 67,948.74 and 17,599.32

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Solution

The fourth proportional to 45,307.80, 67,948.74 and 17,599.32 is: 26,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,307.80 : 67,948.74 = 17,599.32 : x
  2. Step 2: Convert to fraction form
    45,307.80/67,948.74 = 17,599.32/x
  3. Step 3: Cross multiply
    45,307.80x = 67,948.74 × 17,599.32
  4. Step 4: Simplify right side
    45,307.80x = 1,195,851,618.86
  5. Step 5: Solve for x
    x = 1,195,851,618.86/45,307.80
  6. Step 6: Final answer
    x = 26,393.95

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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.