Home / 61,152.68-84,312.58-39,604.35

Finding the Fourth Proportional to 61,152.68, 84,312.58 and 39,604.35

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Solution

The fourth proportional to 61,152.68, 84,312.58 and 39,604.35 is: 54,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,152.68 : 84,312.58 = 39,604.35 : x
  2. Step 2: Convert to fraction form
    61,152.68/84,312.58 = 39,604.35/x
  3. Step 3: Cross multiply
    61,152.68x = 84,312.58 × 39,604.35
  4. Step 4: Simplify right side
    61,152.68x = 3,339,145,219.14
  5. Step 5: Solve for x
    x = 3,339,145,219.14/61,152.68
  6. Step 6: Final answer
    x = 54,603.41

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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.