Home / 35,518.92-53,264.53-13,320.20

Finding the Fourth Proportional to 35,518.92, 53,264.53 and 13,320.20

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Solution

The fourth proportional to 35,518.92, 53,264.53 and 13,320.20 is: 19,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.92 : 53,264.53 = 13,320.20 : x
  2. Step 2: Convert to fraction form
    35,518.92/53,264.53 = 13,320.20/x
  3. Step 3: Cross multiply
    35,518.92x = 53,264.53 × 13,320.20
  4. Step 4: Simplify right side
    35,518.92x = 709,494,192.51
  5. Step 5: Solve for x
    x = 709,494,192.51/35,518.92
  6. Step 6: Final answer
    x = 19,975.11

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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.