Home / 35,148.12-48,502.96-21,008.76

Finding the Fourth Proportional to 35,148.12, 48,502.96 and 21,008.76

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Solution

The fourth proportional to 35,148.12, 48,502.96 and 21,008.76 is: 28,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,148.12 : 48,502.96 = 21,008.76 : x
  2. Step 2: Convert to fraction form
    35,148.12/48,502.96 = 21,008.76/x
  3. Step 3: Cross multiply
    35,148.12x = 48,502.96 × 21,008.76
  4. Step 4: Simplify right side
    35,148.12x = 1,018,987,045.93
  5. Step 5: Solve for x
    x = 1,018,987,045.93/35,148.12
  6. Step 6: Final answer
    x = 28,991.22

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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.