Home / 34,398.90-51,603.47-12,210.42

Finding the Fourth Proportional to 34,398.90, 51,603.47 and 12,210.42

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Solution

The fourth proportional to 34,398.90, 51,603.47 and 12,210.42 is: 18,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,398.90 : 51,603.47 = 12,210.42 : x
  2. Step 2: Convert to fraction form
    34,398.90/51,603.47 = 12,210.42/x
  3. Step 3: Cross multiply
    34,398.90x = 51,603.47 × 12,210.42
  4. Step 4: Simplify right side
    34,398.90x = 630,100,042.16
  5. Step 5: Solve for x
    x = 630,100,042.16/34,398.90
  6. Step 6: Final answer
    x = 18,317.45

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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.