Home / 34,020.98-46,948.02-18,913.28

Finding the Fourth Proportional to 34,020.98, 46,948.02 and 18,913.28

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Solution

The fourth proportional to 34,020.98, 46,948.02 and 18,913.28 is: 26,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,020.98 : 46,948.02 = 18,913.28 : x
  2. Step 2: Convert to fraction form
    34,020.98/46,948.02 = 18,913.28/x
  3. Step 3: Cross multiply
    34,020.98x = 46,948.02 × 18,913.28
  4. Step 4: Simplify right side
    34,020.98x = 887,941,047.71
  5. Step 5: Solve for x
    x = 887,941,047.71/34,020.98
  6. Step 6: Final answer
    x = 26,099.81

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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.