Home / 35,330.04-53,009.55-18,685.62

Finding the Fourth Proportional to 35,330.04, 53,009.55 and 18,685.62

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Solution

The fourth proportional to 35,330.04, 53,009.55 and 18,685.62 is: 28,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.04 : 53,009.55 = 18,685.62 : x
  2. Step 2: Convert to fraction form
    35,330.04/53,009.55 = 18,685.62/x
  3. Step 3: Cross multiply
    35,330.04x = 53,009.55 × 18,685.62
  4. Step 4: Simplify right side
    35,330.04x = 990,516,307.67
  5. Step 5: Solve for x
    x = 990,516,307.67/35,330.04
  6. Step 6: Final answer
    x = 28,036.09

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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.