Home / 30,557.02-45,835.57-8,370.59

Finding the Fourth Proportional to 30,557.02, 45,835.57 and 8,370.59

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Solution

The fourth proportional to 30,557.02, 45,835.57 and 8,370.59 is: 12,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.02 : 45,835.57 = 8,370.59 : x
  2. Step 2: Convert to fraction form
    30,557.02/45,835.57 = 8,370.59/x
  3. Step 3: Cross multiply
    30,557.02x = 45,835.57 × 8,370.59
  4. Step 4: Simplify right side
    30,557.02x = 383,670,763.89
  5. Step 5: Solve for x
    x = 383,670,763.89/30,557.02
  6. Step 6: Final answer
    x = 12,555.90

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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.