Home / 47,215.08-70,826.40-12,154.68

Finding the Fourth Proportional to 47,215.08, 70,826.40 and 12,154.68

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Solution

The fourth proportional to 47,215.08, 70,826.40 and 12,154.68 is: 18,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,215.08 : 70,826.40 = 12,154.68 : x
  2. Step 2: Convert to fraction form
    47,215.08/70,826.40 = 12,154.68/x
  3. Step 3: Cross multiply
    47,215.08x = 70,826.40 × 12,154.68
  4. Step 4: Simplify right side
    47,215.08x = 860,872,227.55
  5. Step 5: Solve for x
    x = 860,872,227.55/47,215.08
  6. Step 6: Final answer
    x = 18,232.99

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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.