Home / 30,870.96-46,306.67-8,686.58

Finding the Fourth Proportional to 30,870.96, 46,306.67 and 8,686.58

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Solution

The fourth proportional to 30,870.96, 46,306.67 and 8,686.58 is: 13,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,870.96 : 46,306.67 = 8,686.58 : x
  2. Step 2: Convert to fraction form
    30,870.96/46,306.67 = 8,686.58/x
  3. Step 3: Cross multiply
    30,870.96x = 46,306.67 × 8,686.58
  4. Step 4: Simplify right side
    30,870.96x = 402,246,593.49
  5. Step 5: Solve for x
    x = 402,246,593.49/30,870.96
  6. Step 6: Final answer
    x = 13,029.93

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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.