Home / 46,866.88-70,316.16-20,558.08

Finding the Fourth Proportional to 46,866.88, 70,316.16 and 20,558.08

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Solution

The fourth proportional to 46,866.88, 70,316.16 and 20,558.08 is: 30,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,866.88 : 70,316.16 = 20,558.08 : x
  2. Step 2: Convert to fraction form
    46,866.88/70,316.16 = 20,558.08/x
  3. Step 3: Cross multiply
    46,866.88x = 70,316.16 × 20,558.08
  4. Step 4: Simplify right side
    46,866.88x = 1,445,565,242.57
  5. Step 5: Solve for x
    x = 1,445,565,242.57/46,866.88
  6. Step 6: Final answer
    x = 30,844.07

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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.