Home / 63,271.51-94,916.98-21,143.81

Finding the Fourth Proportional to 63,271.51, 94,916.98 and 21,143.81

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Solution

The fourth proportional to 63,271.51, 94,916.98 and 21,143.81 is: 31,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,271.51 : 94,916.98 = 21,143.81 : x
  2. Step 2: Convert to fraction form
    63,271.51/94,916.98 = 21,143.81/x
  3. Step 3: Cross multiply
    63,271.51x = 94,916.98 × 21,143.81
  4. Step 4: Simplify right side
    63,271.51x = 2,006,906,590.89
  5. Step 5: Solve for x
    x = 2,006,906,590.89/63,271.51
  6. Step 6: Final answer
    x = 31,718.96

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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.