Home / 47,427.08-65,421.98-30,425.30

Finding the Fourth Proportional to 47,427.08, 65,421.98 and 30,425.30

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Solution

The fourth proportional to 47,427.08, 65,421.98 and 30,425.30 is: 41,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,427.08 : 65,421.98 = 30,425.30 : x
  2. Step 2: Convert to fraction form
    47,427.08/65,421.98 = 30,425.30/x
  3. Step 3: Cross multiply
    47,427.08x = 65,421.98 × 30,425.30
  4. Step 4: Simplify right side
    47,427.08x = 1,990,483,368.09
  5. Step 5: Solve for x
    x = 1,990,483,368.09/47,427.08
  6. Step 6: Final answer
    x = 41,969.34

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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.