Home / 38,953.40-58,443.66-12,303.50

Finding the Fourth Proportional to 38,953.40, 58,443.66 and 12,303.50

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Solution

The fourth proportional to 38,953.40, 58,443.66 and 12,303.50 is: 18,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.40 : 58,443.66 = 12,303.50 : x
  2. Step 2: Convert to fraction form
    38,953.40/58,443.66 = 12,303.50/x
  3. Step 3: Cross multiply
    38,953.40x = 58,443.66 × 12,303.50
  4. Step 4: Simplify right side
    38,953.40x = 719,061,278.59
  5. Step 5: Solve for x
    x = 719,061,278.59/38,953.40
  6. Step 6: Final answer
    x = 18,459.53

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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.