Home / 36,931.92-50,967.40-21,017.68

Finding the Fourth Proportional to 36,931.92, 50,967.40 and 21,017.68

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Solution

The fourth proportional to 36,931.92, 50,967.40 and 21,017.68 is: 29,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931.92 : 50,967.40 = 21,017.68 : x
  2. Step 2: Convert to fraction form
    36,931.92/50,967.40 = 21,017.68/x
  3. Step 3: Cross multiply
    36,931.92x = 50,967.40 × 21,017.68
  4. Step 4: Simplify right side
    36,931.92x = 1,071,216,503.63
  5. Step 5: Solve for x
    x = 1,071,216,503.63/36,931.92
  6. Step 6: Final answer
    x = 29,005.17

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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.