Home / 75,032.89-112,541.05-18,873.03

Finding the Fourth Proportional to 75,032.89, 112,541.05 and 18,873.03

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Solution

The fourth proportional to 75,032.89, 112,541.05 and 18,873.03 is: 28,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,032.89 : 112,541.05 = 18,873.03 : x
  2. Step 2: Convert to fraction form
    75,032.89/112,541.05 = 18,873.03/x
  3. Step 3: Cross multiply
    75,032.89x = 112,541.05 × 18,873.03
  4. Step 4: Simplify right side
    75,032.89x = 2,123,990,002.78
  5. Step 5: Solve for x
    x = 2,123,990,002.78/75,032.89
  6. Step 6: Final answer
    x = 28,307.45

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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.