Home / 35,531,031.70-53,296,547.55-20,172,386.80

Finding the Fourth Proportional to 35,531,031.70, 53,296,547.55 and 20,172,386.80

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Solution

The fourth proportional to 35,531,031.70, 53,296,547.55 and 20,172,386.80 is: 30,258,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531,031.70 : 53,296,547.55 = 20,172,386.80 : x
  2. Step 2: Convert to fraction form
    35,531,031.70/53,296,547.55 = 20,172,386.80/x
  3. Step 3: Cross multiply
    35,531,031.70x = 53,296,547.55 × 20,172,386.80
  4. Step 4: Simplify right side
    35,531,031.70x = 1,075,118,572,283,192.38
  5. Step 5: Solve for x
    x = 1,075,118,572,283,192.38/35,531,031.70
  6. Step 6: Final answer
    x = 30,258,580.20

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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.