Home / 40,587.21-60,886.55-12,509.55

Finding the Fourth Proportional to 40,587.21, 60,886.55 and 12,509.55

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Solution

The fourth proportional to 40,587.21, 60,886.55 and 12,509.55 is: 18,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,587.21 : 60,886.55 = 12,509.55 : x
  2. Step 2: Convert to fraction form
    40,587.21/60,886.55 = 12,509.55/x
  3. Step 3: Cross multiply
    40,587.21x = 60,886.55 × 12,509.55
  4. Step 4: Simplify right side
    40,587.21x = 761,663,341.55
  5. Step 5: Solve for x
    x = 761,663,341.55/40,587.21
  6. Step 6: Final answer
    x = 18,766.09

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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.