Home / 32,931.06-49,477.74-21,089.97

Finding the Fourth Proportional to 32,931.06, 49,477.74 and 21,089.97

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Solution

The fourth proportional to 32,931.06, 49,477.74 and 21,089.97 is: 31,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931.06 : 49,477.74 = 21,089.97 : x
  2. Step 2: Convert to fraction form
    32,931.06/49,477.74 = 21,089.97/x
  3. Step 3: Cross multiply
    32,931.06x = 49,477.74 × 21,089.97
  4. Step 4: Simplify right side
    32,931.06x = 1,043,483,973.18
  5. Step 5: Solve for x
    x = 1,043,483,973.18/32,931.06
  6. Step 6: Final answer
    x = 31,686.93

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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.