Home / 45,420.72-62,615.63-31,950.16

Finding the Fourth Proportional to 45,420.72, 62,615.63 and 31,950.16

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Solution

The fourth proportional to 45,420.72, 62,615.63 and 31,950.16 is: 44,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.72 : 62,615.63 = 31,950.16 : x
  2. Step 2: Convert to fraction form
    45,420.72/62,615.63 = 31,950.16/x
  3. Step 3: Cross multiply
    45,420.72x = 62,615.63 × 31,950.16
  4. Step 4: Simplify right side
    45,420.72x = 2,000,579,397.00
  5. Step 5: Solve for x
    x = 2,000,579,397.00/45,420.72
  6. Step 6: Final answer
    x = 44,045.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.