Home / 47,530.09-65,587.02-28,406.08

Finding the Fourth Proportional to 47,530.09, 65,587.02 and 28,406.08

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Solution

The fourth proportional to 47,530.09, 65,587.02 and 28,406.08 is: 39,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,530.09 : 65,587.02 = 28,406.08 : x
  2. Step 2: Convert to fraction form
    47,530.09/65,587.02 = 28,406.08/x
  3. Step 3: Cross multiply
    47,530.09x = 65,587.02 × 28,406.08
  4. Step 4: Simplify right side
    47,530.09x = 1,863,070,137.08
  5. Step 5: Solve for x
    x = 1,863,070,137.08/47,530.09
  6. Step 6: Final answer
    x = 39,197.70

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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.