Home / 43,126.50-64,424.47-31,178.19

Finding the Fourth Proportional to 43,126.50, 64,424.47 and 31,178.19

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Solution

The fourth proportional to 43,126.50, 64,424.47 and 31,178.19 is: 46,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126.50 : 64,424.47 = 31,178.19 : x
  2. Step 2: Convert to fraction form
    43,126.50/64,424.47 = 31,178.19/x
  3. Step 3: Cross multiply
    43,126.50x = 64,424.47 × 31,178.19
  4. Step 4: Simplify right side
    43,126.50x = 2,008,638,288.36
  5. Step 5: Solve for x
    x = 2,008,638,288.36/43,126.50
  6. Step 6: Final answer
    x = 46,575.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.