Home / 30,948.02-42,708.62-17,518.98

Finding the Fourth Proportional to 30,948.02, 42,708.62 and 17,518.98

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Solution

The fourth proportional to 30,948.02, 42,708.62 and 17,518.98 is: 24,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,948.02 : 42,708.62 = 17,518.98 : x
  2. Step 2: Convert to fraction form
    30,948.02/42,708.62 = 17,518.98/x
  3. Step 3: Cross multiply
    30,948.02x = 42,708.62 × 17,518.98
  4. Step 4: Simplify right side
    30,948.02x = 748,211,565.02
  5. Step 5: Solve for x
    x = 748,211,565.02/30,948.02
  6. Step 6: Final answer
    x = 24,176.39

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1.5x scale

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.