Home / 30,461.60-42,036.72-17,032.70

Finding the Fourth Proportional to 30,461.60, 42,036.72 and 17,032.70

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Solution

The fourth proportional to 30,461.60, 42,036.72 and 17,032.70 is: 23,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,461.60 : 42,036.72 = 17,032.70 : x
  2. Step 2: Convert to fraction form
    30,461.60/42,036.72 = 17,032.70/x
  3. Step 3: Cross multiply
    30,461.60x = 42,036.72 × 17,032.70
  4. Step 4: Simplify right side
    30,461.60x = 715,998,840.74
  5. Step 5: Solve for x
    x = 715,998,840.74/30,461.60
  6. Step 6: Final answer
    x = 23,504.96

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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.