Home / 35,852.80-53,779.20-31,475.20

Finding the Fourth Proportional to 35,852.80, 53,779.20 and 31,475.20

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Solution

The fourth proportional to 35,852.80, 53,779.20 and 31,475.20 is: 47,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,852.80 : 53,779.20 = 31,475.20 : x
  2. Step 2: Convert to fraction form
    35,852.80/53,779.20 = 31,475.20/x
  3. Step 3: Cross multiply
    35,852.80x = 53,779.20 × 31,475.20
  4. Step 4: Simplify right side
    35,852.80x = 1,692,711,075.84
  5. Step 5: Solve for x
    x = 1,692,711,075.84/35,852.80
  6. Step 6: Final answer
    x = 47,212.80

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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.