Home / 30,064.69-45,089.75-12,524.95

Finding the Fourth Proportional to 30,064.69, 45,089.75 and 12,524.95

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Solution

The fourth proportional to 30,064.69, 45,089.75 and 12,524.95 is: 18,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.69 : 45,089.75 = 12,524.95 : x
  2. Step 2: Convert to fraction form
    30,064.69/45,089.75 = 12,524.95/x
  3. Step 3: Cross multiply
    30,064.69x = 45,089.75 × 12,524.95
  4. Step 4: Simplify right side
    30,064.69x = 564,746,881.48
  5. Step 5: Solve for x
    x = 564,746,881.48/30,064.69
  6. Step 6: Final answer
    x = 18,784.39

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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.