Home / 39,782.36-59,669.06-10,200.89

Finding the Fourth Proportional to 39,782.36, 59,669.06 and 10,200.89

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Solution

The fourth proportional to 39,782.36, 59,669.06 and 10,200.89 is: 15,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,782.36 : 59,669.06 = 10,200.89 : x
  2. Step 2: Convert to fraction form
    39,782.36/59,669.06 = 10,200.89/x
  3. Step 3: Cross multiply
    39,782.36x = 59,669.06 × 10,200.89
  4. Step 4: Simplify right side
    39,782.36x = 608,677,168.11
  5. Step 5: Solve for x
    x = 608,677,168.11/39,782.36
  6. Step 6: Final answer
    x = 15,300.18

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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.