Home / 56,301.51-84,378.42-31,328.67

Finding the Fourth Proportional to 56,301.51, 84,378.42 and 31,328.67

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Solution

The fourth proportional to 56,301.51, 84,378.42 and 31,328.67 is: 46,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,301.51 : 84,378.42 = 31,328.67 : x
  2. Step 2: Convert to fraction form
    56,301.51/84,378.42 = 31,328.67/x
  3. Step 3: Cross multiply
    56,301.51x = 84,378.42 × 31,328.67
  4. Step 4: Simplify right side
    56,301.51x = 2,643,463,675.30
  5. Step 5: Solve for x
    x = 2,643,463,675.30/56,301.51
  6. Step 6: Final answer
    x = 46,951.91

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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.