Home / 32,291.40-48,459.48-12,570.12

Finding the Fourth Proportional to 32,291.40, 48,459.48 and 12,570.12

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Solution

The fourth proportional to 32,291.40, 48,459.48 and 12,570.12 is: 18,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,291.40 : 48,459.48 = 12,570.12 : x
  2. Step 2: Convert to fraction form
    32,291.40/48,459.48 = 12,570.12/x
  3. Step 3: Cross multiply
    32,291.40x = 48,459.48 × 12,570.12
  4. Step 4: Simplify right side
    32,291.40x = 609,141,478.74
  5. Step 5: Solve for x
    x = 609,141,478.74/32,291.40
  6. Step 6: Final answer
    x = 18,863.89

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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.