Home / 30,068.61-45,139.38-14,073.45

Finding the Fourth Proportional to 30,068.61, 45,139.38 and 14,073.45

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Solution

The fourth proportional to 30,068.61, 45,139.38 and 14,073.45 is: 21,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.61 : 45,139.38 = 14,073.45 : x
  2. Step 2: Convert to fraction form
    30,068.61/45,139.38 = 14,073.45/x
  3. Step 3: Cross multiply
    30,068.61x = 45,139.38 × 14,073.45
  4. Step 4: Simplify right side
    30,068.61x = 635,266,807.46
  5. Step 5: Solve for x
    x = 635,266,807.46/30,068.61
  6. Step 6: Final answer
    x = 21,127.24

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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.