Home / 30,050.76-45,062.46-12,510.12

Finding the Fourth Proportional to 30,050.76, 45,062.46 and 12,510.12

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Solution

The fourth proportional to 30,050.76, 45,062.46 and 12,510.12 is: 18,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.76 : 45,062.46 = 12,510.12 : x
  2. Step 2: Convert to fraction form
    30,050.76/45,062.46 = 12,510.12/x
  3. Step 3: Cross multiply
    30,050.76x = 45,062.46 × 12,510.12
  4. Step 4: Simplify right side
    30,050.76x = 563,736,782.10
  5. Step 5: Solve for x
    x = 563,736,782.10/30,050.76
  6. Step 6: Final answer
    x = 18,759.49

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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.