Home / 35,079.32-52,587.86-12,887.50

Finding the Fourth Proportional to 35,079.32, 52,587.86 and 12,887.50

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Solution

The fourth proportional to 35,079.32, 52,587.86 and 12,887.50 is: 19,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,079.32 : 52,587.86 = 12,887.50 : x
  2. Step 2: Convert to fraction form
    35,079.32/52,587.86 = 12,887.50/x
  3. Step 3: Cross multiply
    35,079.32x = 52,587.86 × 12,887.50
  4. Step 4: Simplify right side
    35,079.32x = 677,726,045.75
  5. Step 5: Solve for x
    x = 677,726,045.75/35,079.32
  6. Step 6: Final answer
    x = 19,319.82

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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.