Home / 53,119.16-79,671.02-15,677.40

Finding the Fourth Proportional to 53,119.16, 79,671.02 and 15,677.40

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Solution

The fourth proportional to 53,119.16, 79,671.02 and 15,677.40 is: 23,513.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.16 : 79,671.02 = 15,677.40 : x
  2. Step 2: Convert to fraction form
    53,119.16/79,671.02 = 15,677.40/x
  3. Step 3: Cross multiply
    53,119.16x = 79,671.02 × 15,677.40
  4. Step 4: Simplify right side
    53,119.16x = 1,249,034,448.95
  5. Step 5: Solve for x
    x = 1,249,034,448.95/53,119.16
  6. Step 6: Final answer
    x = 23,513.82

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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.