Home / 35,520.95-53,267.50-13,322.23

Finding the Fourth Proportional to 35,520.95, 53,267.50 and 13,322.23

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Solution

The fourth proportional to 35,520.95, 53,267.50 and 13,322.23 is: 19,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520.95 : 53,267.50 = 13,322.23 : x
  2. Step 2: Convert to fraction form
    35,520.95/53,267.50 = 13,322.23/x
  3. Step 3: Cross multiply
    35,520.95x = 53,267.50 × 13,322.23
  4. Step 4: Simplify right side
    35,520.95x = 709,641,886.53
  5. Step 5: Solve for x
    x = 709,641,886.53/35,520.95
  6. Step 6: Final answer
    x = 19,978.12

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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.