Home / 39,167.02-54,050.40-21,261.86

Finding the Fourth Proportional to 39,167.02, 54,050.40 and 21,261.86

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Solution

The fourth proportional to 39,167.02, 54,050.40 and 21,261.86 is: 29,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.02 : 54,050.40 = 21,261.86 : x
  2. Step 2: Convert to fraction form
    39,167.02/54,050.40 = 21,261.86/x
  3. Step 3: Cross multiply
    39,167.02x = 54,050.40 × 21,261.86
  4. Step 4: Simplify right side
    39,167.02x = 1,149,212,037.74
  5. Step 5: Solve for x
    x = 1,149,212,037.74/39,167.02
  6. Step 6: Final answer
    x = 29,341.32

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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.