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Finding the Fourth Proportional to 59,363.68, 81,929.12 and 35,490.08

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Solution

The fourth proportional to 59,363.68, 81,929.12 and 35,490.08 is: 48,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,363.68 : 81,929.12 = 35,490.08 : x
  2. Step 2: Convert to fraction form
    59,363.68/81,929.12 = 35,490.08/x
  3. Step 3: Cross multiply
    59,363.68x = 81,929.12 × 35,490.08
  4. Step 4: Simplify right side
    59,363.68x = 2,907,671,023.13
  5. Step 5: Solve for x
    x = 2,907,671,023.13/59,363.68
  6. Step 6: Final answer
    x = 48,980.64

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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.