Home / 39,925.10-59,887.65-18,858.22

Finding the Fourth Proportional to 39,925.10, 59,887.65 and 18,858.22

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Solution

The fourth proportional to 39,925.10, 59,887.65 and 18,858.22 is: 28,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,925.10 : 59,887.65 = 18,858.22 : x
  2. Step 2: Convert to fraction form
    39,925.10/59,887.65 = 18,858.22/x
  3. Step 3: Cross multiply
    39,925.10x = 59,887.65 × 18,858.22
  4. Step 4: Simplify right side
    39,925.10x = 1,129,374,478.98
  5. Step 5: Solve for x
    x = 1,129,374,478.98/39,925.10
  6. Step 6: Final answer
    x = 28,287.33

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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.