Home / 48,038.04-72,055.51-21,742.81

Finding the Fourth Proportional to 48,038.04, 72,055.51 and 21,742.81

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Solution

The fourth proportional to 48,038.04, 72,055.51 and 21,742.81 is: 32,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,038.04 : 72,055.51 = 21,742.81 : x
  2. Step 2: Convert to fraction form
    48,038.04/72,055.51 = 21,742.81/x
  3. Step 3: Cross multiply
    48,038.04x = 72,055.51 × 21,742.81
  4. Step 4: Simplify right side
    48,038.04x = 1,566,689,028.89
  5. Step 5: Solve for x
    x = 1,566,689,028.89/48,038.04
  6. Step 6: Final answer
    x = 32,613.51

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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.