Home / 42,602.32-58,774.44-28,464.40

Finding the Fourth Proportional to 42,602.32, 58,774.44 and 28,464.40

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Solution

The fourth proportional to 42,602.32, 58,774.44 and 28,464.40 is: 39,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602.32 : 58,774.44 = 28,464.40 : x
  2. Step 2: Convert to fraction form
    42,602.32/58,774.44 = 28,464.40/x
  3. Step 3: Cross multiply
    42,602.32x = 58,774.44 × 28,464.40
  4. Step 4: Simplify right side
    42,602.32x = 1,672,979,169.94
  5. Step 5: Solve for x
    x = 1,672,979,169.94/42,602.32
  6. Step 6: Final answer
    x = 39,269.67

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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.