Home / 35,383.80-53,075.70-31,009.80

Finding the Fourth Proportional to 35,383.80, 53,075.70 and 31,009.80

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Solution

The fourth proportional to 35,383.80, 53,075.70 and 31,009.80 is: 46,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,383.80 : 53,075.70 = 31,009.80 : x
  2. Step 2: Convert to fraction form
    35,383.80/53,075.70 = 31,009.80/x
  3. Step 3: Cross multiply
    35,383.80x = 53,075.70 × 31,009.80
  4. Step 4: Simplify right side
    35,383.80x = 1,645,866,841.86
  5. Step 5: Solve for x
    x = 1,645,866,841.86/35,383.80
  6. Step 6: Final answer
    x = 46,514.70

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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.