Home / 39,655.05-59,478.53-13,360.02

Finding the Fourth Proportional to 39,655.05, 59,478.53 and 13,360.02

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Solution

The fourth proportional to 39,655.05, 59,478.53 and 13,360.02 is: 20,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.05 : 59,478.53 = 13,360.02 : x
  2. Step 2: Convert to fraction form
    39,655.05/59,478.53 = 13,360.02/x
  3. Step 3: Cross multiply
    39,655.05x = 59,478.53 × 13,360.02
  4. Step 4: Simplify right side
    39,655.05x = 794,634,283.57
  5. Step 5: Solve for x
    x = 794,634,283.57/39,655.05
  6. Step 6: Final answer
    x = 20,038.67

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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.