Home / 35,031.94-48,345.15-19,926.78

Finding the Fourth Proportional to 35,031.94, 48,345.15 and 19,926.78

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Solution

The fourth proportional to 35,031.94, 48,345.15 and 19,926.78 is: 27,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,031.94 : 48,345.15 = 19,926.78 : x
  2. Step 2: Convert to fraction form
    35,031.94/48,345.15 = 19,926.78/x
  3. Step 3: Cross multiply
    35,031.94x = 48,345.15 × 19,926.78
  4. Step 4: Simplify right side
    35,031.94x = 963,363,168.12
  5. Step 5: Solve for x
    x = 963,363,168.12/35,031.94
  6. Step 6: Final answer
    x = 27,499.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.