Home / 39,888.32-59,820.48-13,587.04

Finding the Fourth Proportional to 39,888.32, 59,820.48 and 13,587.04

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Solution

The fourth proportional to 39,888.32, 59,820.48 and 13,587.04 is: 20,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.32 : 59,820.48 = 13,587.04 : x
  2. Step 2: Convert to fraction form
    39,888.32/59,820.48 = 13,587.04/x
  3. Step 3: Cross multiply
    39,888.32x = 59,820.48 × 13,587.04
  4. Step 4: Simplify right side
    39,888.32x = 812,783,254.58
  5. Step 5: Solve for x
    x = 812,783,254.58/39,888.32
  6. Step 6: Final answer
    x = 20,376.47

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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.