Home / 39,895.74-59,837.12-18,835.74

Finding the Fourth Proportional to 39,895.74, 59,837.12 and 18,835.74

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Solution

The fourth proportional to 39,895.74, 59,837.12 and 18,835.74 is: 28,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.74 : 59,837.12 = 18,835.74 : x
  2. Step 2: Convert to fraction form
    39,895.74/59,837.12 = 18,835.74/x
  3. Step 3: Cross multiply
    39,895.74x = 59,837.12 × 18,835.74
  4. Step 4: Simplify right side
    39,895.74x = 1,127,076,340.49
  5. Step 5: Solve for x
    x = 1,127,076,340.49/39,895.74
  6. Step 6: Final answer
    x = 28,250.54

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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.