Home / 75,312.21-112,967.23-18,386.85

Finding the Fourth Proportional to 75,312.21, 112,967.23 and 18,386.85

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Solution

The fourth proportional to 75,312.21, 112,967.23 and 18,386.85 is: 27,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,312.21 : 112,967.23 = 18,386.85 : x
  2. Step 2: Convert to fraction form
    75,312.21/112,967.23 = 18,386.85/x
  3. Step 3: Cross multiply
    75,312.21x = 112,967.23 × 18,386.85
  4. Step 4: Simplify right side
    75,312.21x = 2,077,111,512.93
  5. Step 5: Solve for x
    x = 2,077,111,512.93/75,312.21
  6. Step 6: Final answer
    x = 27,580.01

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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.