Home / 39,703.76-59,564.40-13,407.92

Finding the Fourth Proportional to 39,703.76, 59,564.40 and 13,407.92

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Solution

The fourth proportional to 39,703.76, 59,564.40 and 13,407.92 is: 20,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,703.76 : 59,564.40 = 13,407.92 : x
  2. Step 2: Convert to fraction form
    39,703.76/59,564.40 = 13,407.92/x
  3. Step 3: Cross multiply
    39,703.76x = 59,564.40 × 13,407.92
  4. Step 4: Simplify right side
    39,703.76x = 798,634,710.05
  5. Step 5: Solve for x
    x = 798,634,710.05/39,703.76
  6. Step 6: Final answer
    x = 20,114.84

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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.