Home / 49,931.28-74,897.28-14,871.60

Finding the Fourth Proportional to 49,931.28, 74,897.28 and 14,871.60

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Solution

The fourth proportional to 49,931.28, 74,897.28 and 14,871.60 is: 22,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,931.28 : 74,897.28 = 14,871.60 : x
  2. Step 2: Convert to fraction form
    49,931.28/74,897.28 = 14,871.60/x
  3. Step 3: Cross multiply
    49,931.28x = 74,897.28 × 14,871.60
  4. Step 4: Simplify right side
    49,931.28x = 1,113,842,389.25
  5. Step 5: Solve for x
    x = 1,113,842,389.25/49,931.28
  6. Step 6: Final answer
    x = 22,307.51

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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.