Home / 48,953.07-73,457.28-20,870.19

Finding the Fourth Proportional to 48,953.07, 73,457.28 and 20,870.19

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Solution

The fourth proportional to 48,953.07, 73,457.28 and 20,870.19 is: 31,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,953.07 : 73,457.28 = 20,870.19 : x
  2. Step 2: Convert to fraction form
    48,953.07/73,457.28 = 20,870.19/x
  3. Step 3: Cross multiply
    48,953.07x = 73,457.28 × 20,870.19
  4. Step 4: Simplify right side
    48,953.07x = 1,533,067,390.48
  5. Step 5: Solve for x
    x = 1,533,067,390.48/48,953.07
  6. Step 6: Final answer
    x = 31,317.08

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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.