Home / 31,280.48-46,925.30-9,090.97

Finding the Fourth Proportional to 31,280.48, 46,925.30 and 9,090.97

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Solution

The fourth proportional to 31,280.48, 46,925.30 and 9,090.97 is: 13,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.48 : 46,925.30 = 9,090.97 : x
  2. Step 2: Convert to fraction form
    31,280.48/46,925.30 = 9,090.97/x
  3. Step 3: Cross multiply
    31,280.48x = 46,925.30 × 9,090.97
  4. Step 4: Simplify right side
    31,280.48x = 426,596,214.46
  5. Step 5: Solve for x
    x = 426,596,214.46/31,280.48
  6. Step 6: Final answer
    x = 13,637.78

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1.5x scale

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.