Home / 48,303.81-72,447.35-12,765.53

Finding the Fourth Proportional to 48,303.81, 72,447.35 and 12,765.53

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Solution

The fourth proportional to 48,303.81, 72,447.35 and 12,765.53 is: 19,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,303.81 : 72,447.35 = 12,765.53 : x
  2. Step 2: Convert to fraction form
    48,303.81/72,447.35 = 12,765.53/x
  3. Step 3: Cross multiply
    48,303.81x = 72,447.35 × 12,765.53
  4. Step 4: Simplify right side
    48,303.81x = 924,828,937.14
  5. Step 5: Solve for x
    x = 924,828,937.14/48,303.81
  6. Step 6: Final answer
    x = 19,146.09

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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.