Home / 45,931.02-68,909.49-18,248.46

Finding the Fourth Proportional to 45,931.02, 68,909.49 and 18,248.46

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Solution

The fourth proportional to 45,931.02, 68,909.49 and 18,248.46 is: 27,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.02 : 68,909.49 = 18,248.46 : x
  2. Step 2: Convert to fraction form
    45,931.02/68,909.49 = 18,248.46/x
  3. Step 3: Cross multiply
    45,931.02x = 68,909.49 × 18,248.46
  4. Step 4: Simplify right side
    45,931.02x = 1,257,492,071.89
  5. Step 5: Solve for x
    x = 1,257,492,071.89/45,931.02
  6. Step 6: Final answer
    x = 27,377.84

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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.