Home / 47,988.24-66,210.48-30,993.21

Finding the Fourth Proportional to 47,988.24, 66,210.48 and 30,993.21

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Solution

The fourth proportional to 47,988.24, 66,210.48 and 30,993.21 is: 42,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,988.24 : 66,210.48 = 30,993.21 : x
  2. Step 2: Convert to fraction form
    47,988.24/66,210.48 = 30,993.21/x
  3. Step 3: Cross multiply
    47,988.24x = 66,210.48 × 30,993.21
  4. Step 4: Simplify right side
    47,988.24x = 2,052,075,310.84
  5. Step 5: Solve for x
    x = 2,052,075,310.84/47,988.24
  6. Step 6: Final answer
    x = 42,762.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.