Home / 70,539.04-105,809.37-17,948.58

Finding the Fourth Proportional to 70,539.04, 105,809.37 and 17,948.58

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Solution

The fourth proportional to 70,539.04, 105,809.37 and 17,948.58 is: 26,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,539.04 : 105,809.37 = 17,948.58 : x
  2. Step 2: Convert to fraction form
    70,539.04/105,809.37 = 17,948.58/x
  3. Step 3: Cross multiply
    70,539.04x = 105,809.37 × 17,948.58
  4. Step 4: Simplify right side
    70,539.04x = 1,899,127,942.19
  5. Step 5: Solve for x
    x = 1,899,127,942.19/70,539.04
  6. Step 6: Final answer
    x = 26,923.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.