Home / 56,853.19-78,458.01-31,360.67

Finding the Fourth Proportional to 56,853.19, 78,458.01 and 31,360.67

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Solution

The fourth proportional to 56,853.19, 78,458.01 and 31,360.67 is: 43,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,853.19 : 78,458.01 = 31,360.67 : x
  2. Step 2: Convert to fraction form
    56,853.19/78,458.01 = 31,360.67/x
  3. Step 3: Cross multiply
    56,853.19x = 78,458.01 × 31,360.67
  4. Step 4: Simplify right side
    56,853.19x = 2,460,495,760.47
  5. Step 5: Solve for x
    x = 2,460,495,760.47/56,853.19
  6. Step 6: Final answer
    x = 43,278.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.