Home / 39,041.02-53,875.61-21,813.52

Finding the Fourth Proportional to 39,041.02, 53,875.61 and 21,813.52

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Solution

The fourth proportional to 39,041.02, 53,875.61 and 21,813.52 is: 30,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,041.02 : 53,875.61 = 21,813.52 : x
  2. Step 2: Convert to fraction form
    39,041.02/53,875.61 = 21,813.52/x
  3. Step 3: Cross multiply
    39,041.02x = 53,875.61 × 21,813.52
  4. Step 4: Simplify right side
    39,041.02x = 1,175,216,696.25
  5. Step 5: Solve for x
    x = 1,175,216,696.25/39,041.02
  6. Step 6: Final answer
    x = 30,102.10

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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.