Home / 59,881.02-89,830.76-20,428.94

Finding the Fourth Proportional to 59,881.02, 89,830.76 and 20,428.94

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Solution

The fourth proportional to 59,881.02, 89,830.76 and 20,428.94 is: 30,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,881.02 : 89,830.76 = 20,428.94 : x
  2. Step 2: Convert to fraction form
    59,881.02/89,830.76 = 20,428.94/x
  3. Step 3: Cross multiply
    59,881.02x = 89,830.76 × 20,428.94
  4. Step 4: Simplify right side
    59,881.02x = 1,835,146,654.90
  5. Step 5: Solve for x
    x = 1,835,146,654.90/59,881.02
  6. Step 6: Final answer
    x = 30,646.55

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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.