Home / 34,075.08-47,027.39-20,646.90

Finding the Fourth Proportional to 34,075.08, 47,027.39 and 20,646.90

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Solution

The fourth proportional to 34,075.08, 47,027.39 and 20,646.90 is: 28,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,075.08 : 47,027.39 = 20,646.90 : x
  2. Step 2: Convert to fraction form
    34,075.08/47,027.39 = 20,646.90/x
  3. Step 3: Cross multiply
    34,075.08x = 47,027.39 × 20,646.90
  4. Step 4: Simplify right side
    34,075.08x = 970,969,715.36
  5. Step 5: Solve for x
    x = 970,969,715.36/34,075.08
  6. Step 6: Final answer
    x = 28,495.01

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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.