Home / 35,771,330.40-53,674,710.30-20,430,400.20

Finding the Fourth Proportional to 35,771,330.40, 53,674,710.30 and 20,430,400.20

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Solution

The fourth proportional to 35,771,330.40, 53,674,710.30 and 20,430,400.20 is: 30,655,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771,330.40 : 53,674,710.30 = 20,430,400.20 : x
  2. Step 2: Convert to fraction form
    35,771,330.40/53,674,710.30 = 20,430,400.20/x
  3. Step 3: Cross multiply
    35,771,330.40x = 53,674,710.30 × 20,430,400.20
  4. Step 4: Simplify right side
    35,771,330.40x = 1,096,595,812,048,062
  5. Step 5: Solve for x
    x = 1,096,595,812,048,062/35,771,330.40
  6. Step 6: Final answer
    x = 30,655,717.86

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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.