Home / 39,050.02-53,888.95-21,145.08

Finding the Fourth Proportional to 39,050.02, 53,888.95 and 21,145.08

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Solution

The fourth proportional to 39,050.02, 53,888.95 and 21,145.08 is: 29,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,050.02 : 53,888.95 = 21,145.08 : x
  2. Step 2: Convert to fraction form
    39,050.02/53,888.95 = 21,145.08/x
  3. Step 3: Cross multiply
    39,050.02x = 53,888.95 × 21,145.08
  4. Step 4: Simplify right side
    39,050.02x = 1,139,486,158.87
  5. Step 5: Solve for x
    x = 1,139,486,158.87/39,050.02
  6. Step 6: Final answer
    x = 29,180.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.