Home / 32,090.95-48,118.64-13,128.90

Finding the Fourth Proportional to 32,090.95, 48,118.64 and 13,128.90

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Solution

The fourth proportional to 32,090.95, 48,118.64 and 13,128.90 is: 19,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,090.95 : 48,118.64 = 13,128.90 : x
  2. Step 2: Convert to fraction form
    32,090.95/48,118.64 = 13,128.90/x
  3. Step 3: Cross multiply
    32,090.95x = 48,118.64 × 13,128.90
  4. Step 4: Simplify right side
    32,090.95x = 631,744,566.61
  5. Step 5: Solve for x
    x = 631,744,566.61/32,090.95
  6. Step 6: Final answer
    x = 19,686.07

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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.