Home / 42,355.02-58,460.58-28,766.08

Finding the Fourth Proportional to 42,355.02, 58,460.58 and 28,766.08

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Solution

The fourth proportional to 42,355.02, 58,460.58 and 28,766.08 is: 39,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,355.02 : 58,460.58 = 28,766.08 : x
  2. Step 2: Convert to fraction form
    42,355.02/58,460.58 = 28,766.08/x
  3. Step 3: Cross multiply
    42,355.02x = 58,460.58 × 28,766.08
  4. Step 4: Simplify right side
    42,355.02x = 1,681,681,284.99
  5. Step 5: Solve for x
    x = 1,681,681,284.99/42,355.02
  6. Step 6: Final answer
    x = 39,704.41

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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.