Home / 35,415.13-48,871.91-19,499.66

Finding the Fourth Proportional to 35,415.13, 48,871.91 and 19,499.66

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Solution

The fourth proportional to 35,415.13, 48,871.91 and 19,499.66 is: 26,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.13 : 48,871.91 = 19,499.66 : x
  2. Step 2: Convert to fraction form
    35,415.13/48,871.91 = 19,499.66/x
  3. Step 3: Cross multiply
    35,415.13x = 48,871.91 × 19,499.66
  4. Step 4: Simplify right side
    35,415.13x = 952,985,531.05
  5. Step 5: Solve for x
    x = 952,985,531.05/35,415.13
  6. Step 6: Final answer
    x = 26,909.00

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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.