Home / 45,284.16-62,466.48-28,488

Finding the Fourth Proportional to 45,284.16, 62,466.48 and 28,488

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Solution

The fourth proportional to 45,284.16, 62,466.48 and 28,488 is: 39,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,284.16 : 62,466.48 = 28,488 : x
  2. Step 2: Convert to fraction form
    45,284.16/62,466.48 = 28,488/x
  3. Step 3: Cross multiply
    45,284.16x = 62,466.48 × 28,488
  4. Step 4: Simplify right side
    45,284.16x = 1,779,545,082.24
  5. Step 5: Solve for x
    x = 1,779,545,082.24/45,284.16
  6. Step 6: Final answer
    x = 39,297.30

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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.