Home / 34,075.12-47,023.80-19,170.16

Finding the Fourth Proportional to 34,075.12, 47,023.80 and 19,170.16

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Solution

The fourth proportional to 34,075.12, 47,023.80 and 19,170.16 is: 26,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,075.12 : 47,023.80 = 19,170.16 : x
  2. Step 2: Convert to fraction form
    34,075.12/47,023.80 = 19,170.16/x
  3. Step 3: Cross multiply
    34,075.12x = 47,023.80 × 19,170.16
  4. Step 4: Simplify right side
    34,075.12x = 901,453,769.81
  5. Step 5: Solve for x
    x = 901,453,769.81/34,075.12
  6. Step 6: Final answer
    x = 26,454.90

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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.