Home / 35,735.40-53,603.10-10,779.30

Finding the Fourth Proportional to 35,735.40, 53,603.10 and 10,779.30

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Solution

The fourth proportional to 35,735.40, 53,603.10 and 10,779.30 is: 16,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,735.40 : 53,603.10 = 10,779.30 : x
  2. Step 2: Convert to fraction form
    35,735.40/53,603.10 = 10,779.30/x
  3. Step 3: Cross multiply
    35,735.40x = 53,603.10 × 10,779.30
  4. Step 4: Simplify right side
    35,735.40x = 577,803,895.83
  5. Step 5: Solve for x
    x = 577,803,895.83/35,735.40
  6. Step 6: Final answer
    x = 16,168.95

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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.