Home / 56,970.30-85,386.20-40,335.14

Finding the Fourth Proportional to 56,970.30, 85,386.20 and 40,335.14

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Solution

The fourth proportional to 56,970.30, 85,386.20 and 40,335.14 is: 60,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970.30 : 85,386.20 = 40,335.14 : x
  2. Step 2: Convert to fraction form
    56,970.30/85,386.20 = 40,335.14/x
  3. Step 3: Cross multiply
    56,970.30x = 85,386.20 × 40,335.14
  4. Step 4: Simplify right side
    56,970.30x = 3,444,063,702.46
  5. Step 5: Solve for x
    x = 3,444,063,702.46/56,970.30
  6. Step 6: Final answer
    x = 60,453.67

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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.