Home / 30,529.18-45,810.78-16,488.91

Finding the Fourth Proportional to 30,529.18, 45,810.78 and 16,488.91

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Solution

The fourth proportional to 30,529.18, 45,810.78 and 16,488.91 is: 24,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.18 : 45,810.78 = 16,488.91 : x
  2. Step 2: Convert to fraction form
    30,529.18/45,810.78 = 16,488.91/x
  3. Step 3: Cross multiply
    30,529.18x = 45,810.78 × 16,488.91
  4. Step 4: Simplify right side
    30,529.18x = 755,369,828.45
  5. Step 5: Solve for x
    x = 755,369,828.45/30,529.18
  6. Step 6: Final answer
    x = 24,742.55

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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.