Home / 58,129.95-87,203.13-18,673.84

Finding the Fourth Proportional to 58,129.95, 87,203.13 and 18,673.84

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Solution

The fourth proportional to 58,129.95, 87,203.13 and 18,673.84 is: 28,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,129.95 : 87,203.13 = 18,673.84 : x
  2. Step 2: Convert to fraction form
    58,129.95/87,203.13 = 18,673.84/x
  3. Step 3: Cross multiply
    58,129.95x = 87,203.13 × 18,673.84
  4. Step 4: Simplify right side
    58,129.95x = 1,628,417,297.12
  5. Step 5: Solve for x
    x = 1,628,417,297.12/58,129.95
  6. Step 6: Final answer
    x = 28,013.40

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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.