Home / 52,642.68-72,637.74-31,420.68

Finding the Fourth Proportional to 52,642.68, 72,637.74 and 31,420.68

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Solution

The fourth proportional to 52,642.68, 72,637.74 and 31,420.68 is: 43,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,642.68 : 72,637.74 = 31,420.68 : x
  2. Step 2: Convert to fraction form
    52,642.68/72,637.74 = 31,420.68/x
  3. Step 3: Cross multiply
    52,642.68x = 72,637.74 × 31,420.68
  4. Step 4: Simplify right side
    52,642.68x = 2,282,327,184.46
  5. Step 5: Solve for x
    x = 2,282,327,184.46/52,642.68
  6. Step 6: Final answer
    x = 43,355.07

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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.