Home / 32,970.18-45,490.95-19,539.12

Finding the Fourth Proportional to 32,970.18, 45,490.95 and 19,539.12

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Solution

The fourth proportional to 32,970.18, 45,490.95 and 19,539.12 is: 26,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,970.18 : 45,490.95 = 19,539.12 : x
  2. Step 2: Convert to fraction form
    32,970.18/45,490.95 = 19,539.12/x
  3. Step 3: Cross multiply
    32,970.18x = 45,490.95 × 19,539.12
  4. Step 4: Simplify right side
    32,970.18x = 888,853,130.96
  5. Step 5: Solve for x
    x = 888,853,130.96/32,970.18
  6. Step 6: Final answer
    x = 26,959.30

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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.