Home / 30,248.38-45,376.22-12,715.93

Finding the Fourth Proportional to 30,248.38, 45,376.22 and 12,715.93

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Solution

The fourth proportional to 30,248.38, 45,376.22 and 12,715.93 is: 19,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.38 : 45,376.22 = 12,715.93 : x
  2. Step 2: Convert to fraction form
    30,248.38/45,376.22 = 12,715.93/x
  3. Step 3: Cross multiply
    30,248.38x = 45,376.22 × 12,715.93
  4. Step 4: Simplify right side
    30,248.38x = 577,000,837.18
  5. Step 5: Solve for x
    x = 577,000,837.18/30,248.38
  6. Step 6: Final answer
    x = 19,075.43

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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.