Home / 39,681.04-54,762.84-22,685.92

Finding the Fourth Proportional to 39,681.04, 54,762.84 and 22,685.92

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Solution

The fourth proportional to 39,681.04, 54,762.84 and 22,685.92 is: 31,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,681.04 : 54,762.84 = 22,685.92 : x
  2. Step 2: Convert to fraction form
    39,681.04/54,762.84 = 22,685.92/x
  3. Step 3: Cross multiply
    39,681.04x = 54,762.84 × 22,685.92
  4. Step 4: Simplify right side
    39,681.04x = 1,242,345,407.21
  5. Step 5: Solve for x
    x = 1,242,345,407.21/39,681.04
  6. Step 6: Final answer
    x = 31,308.29

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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.