Home / 56,794.29-78,376.65-31,301.57

Finding the Fourth Proportional to 56,794.29, 78,376.65 and 31,301.57

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Solution

The fourth proportional to 56,794.29, 78,376.65 and 31,301.57 is: 43,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,794.29 : 78,376.65 = 31,301.57 : x
  2. Step 2: Convert to fraction form
    56,794.29/78,376.65 = 31,301.57/x
  3. Step 3: Cross multiply
    56,794.29x = 78,376.65 × 31,301.57
  4. Step 4: Simplify right side
    56,794.29x = 2,453,312,196.34
  5. Step 5: Solve for x
    x = 2,453,312,196.34/56,794.29
  6. Step 6: Final answer
    x = 43,196.46

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1.5x scale

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.