Home / 43,970.69-65,931.37-18,995.15

Finding the Fourth Proportional to 43,970.69, 65,931.37 and 18,995.15

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Solution

The fourth proportional to 43,970.69, 65,931.37 and 18,995.15 is: 28,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.69 : 65,931.37 = 18,995.15 : x
  2. Step 2: Convert to fraction form
    43,970.69/65,931.37 = 18,995.15/x
  3. Step 3: Cross multiply
    43,970.69x = 65,931.37 × 18,995.15
  4. Step 4: Simplify right side
    43,970.69x = 1,252,376,262.86
  5. Step 5: Solve for x
    x = 1,252,376,262.86/43,970.69
  6. Step 6: Final answer
    x = 28,482.07

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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.