Home / 39,587.60-59,381.40-18,851.60

Finding the Fourth Proportional to 39,587.60, 59,381.40 and 18,851.60

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Solution

The fourth proportional to 39,587.60, 59,381.40 and 18,851.60 is: 28,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,587.60 : 59,381.40 = 18,851.60 : x
  2. Step 2: Convert to fraction form
    39,587.60/59,381.40 = 18,851.60/x
  3. Step 3: Cross multiply
    39,587.60x = 59,381.40 × 18,851.60
  4. Step 4: Simplify right side
    39,587.60x = 1,119,434,400.24
  5. Step 5: Solve for x
    x = 1,119,434,400.24/39,587.60
  6. Step 6: Final answer
    x = 28,277.40

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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.