Home / 39,510.51-54,529.63-22,520.86

Finding the Fourth Proportional to 39,510.51, 54,529.63 and 22,520.86

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Solution

The fourth proportional to 39,510.51, 54,529.63 and 22,520.86 is: 31,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510.51 : 54,529.63 = 22,520.86 : x
  2. Step 2: Convert to fraction form
    39,510.51/54,529.63 = 22,520.86/x
  3. Step 3: Cross multiply
    39,510.51x = 54,529.63 × 22,520.86
  4. Step 4: Simplify right side
    39,510.51x = 1,228,053,970.46
  5. Step 5: Solve for x
    x = 1,228,053,970.46/39,510.51
  6. Step 6: Final answer
    x = 31,081.70

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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.