Home / 55,615.07-83,421.91-13,495.50

Finding the Fourth Proportional to 55,615.07, 83,421.91 and 13,495.50

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Solution

The fourth proportional to 55,615.07, 83,421.91 and 13,495.50 is: 20,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.07 : 83,421.91 = 13,495.50 : x
  2. Step 2: Convert to fraction form
    55,615.07/83,421.91 = 13,495.50/x
  3. Step 3: Cross multiply
    55,615.07x = 83,421.91 × 13,495.50
  4. Step 4: Simplify right side
    55,615.07x = 1,125,820,327.36
  5. Step 5: Solve for x
    x = 1,125,820,327.36/55,615.07
  6. Step 6: Final answer
    x = 20,243.08

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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.