Home / 46,965.72-70,447.20-18,877.08

Finding the Fourth Proportional to 46,965.72, 70,447.20 and 18,877.08

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Solution

The fourth proportional to 46,965.72, 70,447.20 and 18,877.08 is: 28,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,965.72 : 70,447.20 = 18,877.08 : x
  2. Step 2: Convert to fraction form
    46,965.72/70,447.20 = 18,877.08/x
  3. Step 3: Cross multiply
    46,965.72x = 70,447.20 × 18,877.08
  4. Step 4: Simplify right side
    46,965.72x = 1,329,837,430.18
  5. Step 5: Solve for x
    x = 1,329,837,430.18/46,965.72
  6. Step 6: Final answer
    x = 28,315.07

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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.