Home / 47,624.48-71,430.96-12,566.78

Finding the Fourth Proportional to 47,624.48, 71,430.96 and 12,566.78

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Solution

The fourth proportional to 47,624.48, 71,430.96 and 12,566.78 is: 18,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,624.48 : 71,430.96 = 12,566.78 : x
  2. Step 2: Convert to fraction form
    47,624.48/71,430.96 = 12,566.78/x
  3. Step 3: Cross multiply
    47,624.48x = 71,430.96 × 12,566.78
  4. Step 4: Simplify right side
    47,624.48x = 897,657,159.51
  5. Step 5: Solve for x
    x = 897,657,159.51/47,624.48
  6. Step 6: Final answer
    x = 18,848.65

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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.