Home / 34,375.36-47,417.60-21,778.24

Finding the Fourth Proportional to 34,375.36, 47,417.60 and 21,778.24

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Solution

The fourth proportional to 34,375.36, 47,417.60 and 21,778.24 is: 30,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,375.36 : 47,417.60 = 21,778.24 : x
  2. Step 2: Convert to fraction form
    34,375.36/47,417.60 = 21,778.24/x
  3. Step 3: Cross multiply
    34,375.36x = 47,417.60 × 21,778.24
  4. Step 4: Simplify right side
    34,375.36x = 1,032,671,873.02
  5. Step 5: Solve for x
    x = 1,032,671,873.02/34,375.36
  6. Step 6: Final answer
    x = 30,041.05

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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.