Home / 39,400.02-54,370.95-21,495.02

Finding the Fourth Proportional to 39,400.02, 54,370.95 and 21,495.02

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Solution

The fourth proportional to 39,400.02, 54,370.95 and 21,495.02 is: 29,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.02 : 54,370.95 = 21,495.02 : x
  2. Step 2: Convert to fraction form
    39,400.02/54,370.95 = 21,495.02/x
  3. Step 3: Cross multiply
    39,400.02x = 54,370.95 × 21,495.02
  4. Step 4: Simplify right side
    39,400.02x = 1,168,704,657.67
  5. Step 5: Solve for x
    x = 1,168,704,657.67/39,400.02
  6. Step 6: Final answer
    x = 29,662.54

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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.